Priya Punewar

Python Backend Developer with 4+ years of experience in designing and developing scalable backend systems, RESTful APIs, and automation solutions. Strong expertise in Python, FastAPI, Flask, SQL, and backend data processing. Proven experience in building document processing, data extraction, and automation pipelines for enterprise applications. Adept at working with structured and unstructured data, improving system reliability, and collaborating in agile environments.

Senior System Engineer at Infosys Ltd (2022-02 – Present)

• Designed and developed python-based backend solutions for intelligent document processing (IDP) systems supporting invoices, IDs and Forms.
• Built RESTful APIs using FastAPI / Flask to integrate document processing workflows with downstream enterprise systems
• Developed a sensitive data redaction module using Python and Pillow (PIL) to mark Aadhar, PAN, Visa and credit/debit card numbers.
• Implemented table detection and structured data extraction from PDFs using Tabula-py, converting outputs into Excel and PostgreSQL-ready formats.
• Processed, cleaned, and validated large datasets using Pandas and NumPy, improving extraction accuracy and data consistency.
• Developed and integrated Rest APIs for document processing workflows and secure data exchange between systems.
• Build a logo detection and document classification pipeline using Google Vision API to automatically categorize documents into predefined classes.
• Applied Client-specific business rules to transform raw extracted data into standardized backend outputs.
• Analyzed system failures and improved backend reliability through logging, validation logic, and process optimizations.

B.E in Electronics and Telecommunication Engineering (2017 – 2021)